† deˈpastionObs.rare. [ad. L. dēpāstiōn-em eating down, feeding of cattle, n. of action from L. dēpāscĕre: see depascent.] Consumption. 1658Bp. Reynolds Lord's Supper xvii, A wasting depastion and decay of Nature.Ibid. xviii, That continual depastion of his radical moysture by vital heat.